80327560

素因数分解:

$2^3\times 5^1\times {\mathrm{2008189}}^1$

素因数の和:2008200

約数の個数: 16

約数和(自身を含む): 180737100

約数和(自身を除く): 100409540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2008189, 4016378, 8032756, 10040945, 16065512, 20081890, 40163780, 80327560]

約数ペア:

[(1, 80327560), (2, 40163780), (4, 20081890), (5, 16065512), (8, 10040945), (10, 8032756), (20, 4016378), (40, 2008189)]